Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Ohio Valley Climate Region

Precipitation Rankings, December 1898

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
December 1898
1-Month
2.20"
(55.88mm)
3.11"
(78.99mm)
-0.91"
(-23.11mm)
30th Driest
Driest since:
1958
99th Wettest
Wettest since:
1990
Ties: 1919
Nov–Dec 1898
2-Month
4.96"
(125.98mm)
6.23"
(158.24mm)
-1.27"
(-32.26mm)
30th Driest
Driest since:
1976
99th Wettest
Wettest since:
2015
Oct–Dec 1898
3-Month
9.33"
(236.98mm)
9.13"
(231.90mm)
0.20"
(5.08mm)
64th Driest
Driest since:
1963
65th Wettest
Wettest since:
1990
Sep–Dec 1898
4-Month
13.97"
(354.84mm)
12.60"
(320.04mm)
1.37"
(34.80mm)
84th Driest
Driest since:
1963
45th Wettest
Wettest to Date
1926
Aug–Dec 1898
5-Month
18.12"
(460.25mm)
16.27"
(413.26mm)
1.85"
(46.99mm)
89th Driest
Driest since:
1953
40th Wettest
Wettest to Date
1926
Ties: 1978
Jul–Dec 1898
6-Month
22.50"
(571.50mm)
20.27"
(514.86mm)
2.23"
(56.64mm)
92nd Driest
Driest since:
1953
37th Wettest
Wettest to Date
1926
Jun–Dec 1898
7-Month
26.77"
(679.96mm)
24.52"
(622.81mm)
2.25"
(57.15mm)
84th Driest
Driest since:
1953
45th Wettest
Wettest to Date
2015
May–Dec 1898
8-Month
31.99"
(812.55mm)
28.79"
(731.27mm)
3.20"
(81.28mm)
94th Driest
Driest since:
1953
35th Wettest
Wettest to Date
2015
Apr–Dec 1898
9-Month
35.25"
(895.35mm)
32.70"
(830.58mm)
2.55"
(64.77mm)
84th Driest
Driest since:
1930
45th Wettest
Wettest to Date
2015
Mar–Dec 1898
10-Month
42.04"
(1,067.82mm)
36.51"
(927.35mm)
5.53"
(140.47mm)
112th Driest
Driest since:
1930
17th Wettest
Wettest to Date
2011
Feb–Dec 1898
11-Month
43.83"
(1,113.28mm)
39.19"
(995.43mm)
4.64"
(117.85mm)
106th Driest
Driest since:
1930
23rd Wettest
Wettest to Date
2011
Jan–Dec 1898
12-Month
49.64"
(1,260.86mm)
42.23"
(1,072.64mm)
7.41"
(188.22mm)
117th Driest
Driest since:
1930
12th Wettest
Wettest to Date
2019
Jul 1897–Dec 1898
18-Month
65.37"
(1,660.40mm)
62.51"
(1,587.75mm)
2.86"
(72.65mm)
75th Driest
Driest since:
1953
53rd Wettest
Wettest to Date
2019
Jan 1897–Dec 1898
24-Month
91.88"
(2,333.75mm)
84.45"
(2,145.03mm)
7.43"
(188.72mm)
104th Driest
Driest since:
1953
24th Wettest
Wettest to Date
2019
Jan 1896–Dec 1898
36-Month
133.31"
(3,386.07mm)
126.69"
(3,217.93mm)
6.62"
(168.14mm)
89th Driest
Driest since:
1954
38th Wettest
Wettest to Date
2020
Jan 1895–Dec 1898
48-Month
169.35"
(4,301.49mm)
168.95"
(4,291.33mm)
0.40"
(10.16mm)
53rd Driest
Driest to Date
1955
73rd Wettest
Wettest to Date
2021

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